.header {
  position: relative;
  width: 100%;
  height: 106px;
  background-color: #fff;
  overflow: hidden;
}

.header .logo {
  display: block;
  position: absolute;
  left: 40px;
  top: 24px;
  width: 90px;
  height: 60px;
}

.header .logo .logo-img {
  width: 100%;
  height: 100%;
}

.header .header-c {
  width: 1200px;
  height: 100%;
  background-color: #fff;
  margin: 0 auto;
}

.header .header-c .nav {
  float: left;
  /* width: xx%; */
  height: 100%;
  font-size: 16px;
  color: #666;
}

.header .header-c .nav .nav-item {
  float: left;
  /* width: xxx */
  height: 100%;
  margin-right: 60px;
  line-height: 106px;
}

.header .header-c .nav .item-link {
  color: #666;
}

.header .header-c .nav .nav-item.active {
  font-size: 18px;
}

.header .header-c .nav .nav-item.active .item-link {
  color: #333;
}

.header .header-c .nav .item-link:hover {
  font-size: 18px;
}

.header .header-c .nav .item-link:hover .item-link {
  color: #333;
}

.header .search-user {
  position: relative;
  float: right;
  width: 580px;
  height: 100%;
}

.header .search-user .search {
  width: 340px;
  height: 48px;
  margin-top: 33px;
  border: 1px solid rgba(189, 189, 189, 1);
  box-sizing: border-box;
  background-image: url('../imgs/search.png');
  background-size: 20px 20px;
  background-repeat: no-repeat;
  background-position: 300px;
  border-radius: 27.5px;
}

.header .search-user .search-input {
  float: left;
  width: 280px;
  height: 35px;
  outline: none;
  border: none;
  text-indent: 2em;
  margin-left: 10px;
  margin-top: 4px;
  color: #AFAFAF;
}

.header .search-user .user-block {
  position: absolute;
  right: 0;
  top: 0;
  height: 100%;
}

.header .search-user .user-block .icon {
  width: 22px;
  height: 22px;
  margin-top: 43px;
}

.header .search-user .user-block .margin-43 {
  margin-left: 43px;
  margin-right: 43px;
}